A Chaotic-Based Encryption/Decryption Framework for Secure Multimedia Communications.

Area of Science:

• Cryptography
• Information Security
• Applied Mathematics

Background:

• Traditional encryption algorithms face challenges in securing multimedia data.
• Chaos-based encryption offers a promising alternative for modern cryptographic needs.

Purpose of the Study:

• To propose novel chaotic-based multimedia encryption schemes using 2D alteration models.
• To enhance data security and transmission integrity for multimedia content.

Main Methods:

• Utilizing a hybrid chaotification structure combining multiple chaotic maps.
• Implementing a perturbation-based encryption for confusion and diffusion rounds.
• Employing blended chaotic maps to generate control parameters for permutation and diffusion.

Main Results:

• The proposed schemes demonstrate high encryption quality, key sensitivity, and low residual clarity.
• Extensive security and differential analyses confirm resistance to attacks.
• Statistical evaluations show low residual intelligibility and excellent recovered statistics.

Conclusions:

• The novel chaotic encryption schemes are efficient and robust for secure multimedia transmission.
• The proposed methods offer superior performance compared to state-of-the-art algorithms.